package School_test;

import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:24097
 * Date:2025-10-22
 * Time:20:54
 */
public class HD1089 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        while (scanner.hasNextLine()){
            String line=scanner.nextLine().trim();
            if(line.isEmpty()){
                break;
            }
            String[] parts=line.split(" ");
            int a=Integer.parseInt(parts[0]);
            int b=Integer.parseInt(parts[1]);
            System.out.println(a+b);
        }
        scanner.close();
    }
}
